[Interpreter] Add implementations of arithmetic binary op bytecodes.

src/interpreter/bytecode-array-builder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/interpreter/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 175 matching lines @@
 Bytecode BytecodeArrayBuilder::BytecodeForBinaryOperation(Token::Value op) {
   switch (op) {
     case Token::Value::ADD:
       return Bytecode::kAdd;
     case Token::Value::SUB:
       return Bytecode::kSub;
     case Token::Value::MUL:
       return Bytecode::kMul;
     case Token::Value::DIV:
       return Bytecode::kDiv;
+    case Token::Value::MOD:
+      return Bytecode::kMod;
     default:
       UNIMPLEMENTED();
       return static_cast<Bytecode>(-1);
   }
 }
 
 
 TemporaryRegisterScope::TemporaryRegisterScope(BytecodeArrayBuilder* builder)
     : builder_(builder), count_(0), last_register_index_(-1) {}
 
 
 TemporaryRegisterScope::~TemporaryRegisterScope() {
   while (count_-- != 0) {
     builder_->ReturnTemporaryRegister(last_register_index_--);
   }
 }
 
 
 Register TemporaryRegisterScope::NewRegister() {
   count_++;
   last_register_index_ = builder_->BorrowTemporaryRegister();
   return Register(last_register_index_);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8